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The inheritance of a third allele at the Fg2/fg2 locus in soybean (Glycine max) was determined. This allele, assigned symbol Fg2-b, resulted in a different phenotype (flavonol class) than Fg2 now designated Fg2-a. Fg2-b gave different flavonol classes in combination with each of Fg1, Fg3, and Fg4 than Fg2-a does in combination with these alleles.
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Buzzell et al. (1992) studied this question.
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